<?php

/**
 * Maikuro CMS
 *
 * LICENSE:
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * The license is bundled with this package in the file LICENSE.txt.
 * You may also obtain a copy of the License at this URL:
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * @copyright  Copyright (c) 2010, Jonathan Hedrén
 * @author     Jonathan Hedrén <jonathan.hedren@gmail.com>
 * @license    http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
 */

class PageViewController implements IViewController
{
    /**
     *
     * @var FrontendApplicationContext
     */
    private $applicationContext;

    /**
     *
     * @var PageService
     */
    private $pageService;

    /**
     *
     * @var TemplateService
     */
    private $templateService;

    /**
     *
     * @param FrontendApplicationContext $applicationContext
     * @param PageService $pageService
     * @param TemplateService $templateService 
     */
    public function __construct(
            FrontendApplicationContext $applicationContext,
            PageService $pageService,
            TemplateService $templateService)
    {
        $this->applicationContext = $applicationContext;
        $this->pageService = $pageService;
        $this->templateService = $templateService;
    }

    /**
     *
     * @param Request $request
     * @param Response $response
     * @param View $view
     */
    public function handleRequest(Request $request, Response $response, View $view) {

        $id = $request->getParam(0);

        $currentSite = $this->applicationContext->getCurrentSite();

        $this->pageService->startCacheControl('page-' . $id);
        
        if ($id == null) {
            $page = $this->pageService->getRootPage($currentSite->id);
        } else {
            $page = $this->pageService->getPage((int) $id, $currentSite->id);
        }
        
        // TODO: Check status of page
        if ($page == null) {
            throw new Exception('Page not found.', 404);
        }

        $this->applicationContext->setCurrentPage($page);

        $template = $this->templateService->getTemplate($page->template, $currentSite->theme);

        if ($template == null) {
            // hmm, wtf is happening?
        }

        $tagParser = $this->applicationContext->getTagParser();

//        $this->applicationContext->getEventHandler()
//                                 ->dispatchEvent(Frontend::EVENT_TEMPLATE_PRE_PARSE, $tagParser);

        $output = $tagParser->parse($template->code);

        $this->pageService->endCacheControl();
        
        $response->setBody($output);
    }
}
